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<?php |
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/** |
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* PHPPgAdmin v6.0.0-beta.43 |
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*/ |
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namespace PHPPgAdmin\Traits; |
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/** |
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* Common trait for sequence manipulation. |
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*/ |
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trait SequenceTrait |
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{ |
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/** |
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* Returns all sequences in the current database. |
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* |
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* @param bool $all true to get all sequences of all schemas |
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* |
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* @return \PHPPgAdmin\ADORecordSet A recordset |
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*/ |
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public function getSequences($all = false) |
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{ |
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if ($all) { |
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// Exclude pg_catalog and information_schema tables |
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$sql = "SELECT n.nspname, c.relname AS seqname, u.usename AS seqowner |
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FROM pg_catalog.pg_class c, pg_catalog.pg_user u, pg_catalog.pg_namespace n |
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WHERE c.relowner=u.usesysid AND c.relnamespace=n.oid |
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AND c.relkind = 'S' |
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AND n.nspname NOT IN ('pg_catalog', 'information_schema', 'pg_toast') |
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ORDER BY nspname, seqname"; |
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} else { |
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$c_schema = $this->_schema; |
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$this->clean($c_schema); |
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$sql = "SELECT c.relname AS seqname, u.usename AS seqowner, pg_catalog.obj_description(c.oid, 'pg_class') AS seqcomment, |
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(SELECT spcname FROM pg_catalog.pg_tablespace pt WHERE pt.oid=c.reltablespace) AS tablespace |
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FROM pg_catalog.pg_class c, pg_catalog.pg_user u, pg_catalog.pg_namespace n |
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WHERE c.relowner=u.usesysid AND c.relnamespace=n.oid |
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AND c.relkind = 'S' AND n.nspname='{$c_schema}' ORDER BY seqname"; |
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} |
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return $this->selectSet($sql); |
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} |
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/** |
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* Execute nextval on a given sequence. |
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* |
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* @param string $sequence Sequence name |
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* |
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* @return int 0 if operation was successful |
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*/ |
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public function nextvalSequence($sequence) |
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{ |
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/* This double-cleaning is deliberate */ |
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$f_schema = $this->_schema; |
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$this->fieldClean($f_schema); |
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$this->clean($f_schema); |
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$this->fieldClean($sequence); |
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$this->clean($sequence); |
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$sql = "SELECT pg_catalog.NEXTVAL('\"{$f_schema}\".\"{$sequence}\"')"; |
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return $this->execute($sql); |
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} |
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/** |
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* Execute setval on a given sequence. |
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* |
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* @param string $sequence Sequence name |
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* @param number $nextvalue The next value |
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* |
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* @return int 0 if operation was successful |
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*/ |
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public function setvalSequence($sequence, $nextvalue) |
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{ |
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/* This double-cleaning is deliberate */ |
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$f_schema = $this->_schema; |
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$this->fieldClean($f_schema); |
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$this->clean($f_schema); |
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$this->fieldClean($sequence); |
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$this->clean($sequence); |
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$this->clean($nextvalue); |
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$sql = "SELECT pg_catalog.SETVAL('\"{$f_schema}\".\"{$sequence}\"', '{$nextvalue}')"; |
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return $this->execute($sql); |
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} |
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/** |
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* Restart a given sequence to its start value. |
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* |
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* @param string $sequence Sequence name |
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* |
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* @return int 0 if operation was successful |
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*/ |
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public function restartSequence($sequence) |
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{ |
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$f_schema = $this->_schema; |
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$this->fieldClean($f_schema); |
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$this->fieldClean($sequence); |
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$sql = "ALTER SEQUENCE \"{$f_schema}\".\"{$sequence}\" RESTART;"; |
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return $this->execute($sql); |
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} |
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/** |
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* Resets a given sequence to min value of sequence. |
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* |
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* @param string $sequence Sequence name |
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* |
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* @return int 0 if operation was successful |
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*/ |
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public function resetSequence($sequence) |
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{ |
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// Get the minimum value of the sequence |
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$seq = $this->getSequence($sequence); |
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if ($seq->recordCount() != 1) { |
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return -1; |
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} |
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$minvalue = $seq->fields['min_value']; |
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$f_schema = $this->_schema; |
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$this->fieldClean($f_schema); |
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/* This double-cleaning is deliberate */ |
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$this->fieldClean($sequence); |
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$this->clean($sequence); |
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$sql = "SELECT pg_catalog.SETVAL('\"{$f_schema}\".\"{$sequence}\"', {$minvalue})"; |
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return $this->execute($sql); |
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} |
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/** |
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* Returns properties of a single sequence. |
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* |
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* @param string $sequence Sequence name |
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* |
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* @return \PHPPgAdmin\ADORecordSet A recordset |
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*/ |
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public function getSequence($sequence) |
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{ |
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$c_schema = $this->_schema; |
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$this->clean($c_schema); |
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$c_sequence = $sequence; |
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$this->fieldClean($sequence); |
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$this->clean($c_sequence); |
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$sql = " |
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SELECT c.relname AS seqname, s.*, |
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pg_catalog.obj_description(s.tableoid, 'pg_class') AS seqcomment, |
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u.usename AS seqowner, n.nspname |
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FROM \"{$sequence}\" AS s, pg_catalog.pg_class c, pg_catalog.pg_user u, pg_catalog.pg_namespace n |
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WHERE c.relowner=u.usesysid AND c.relnamespace=n.oid |
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AND c.relname = '{$c_sequence}' AND c.relkind = 'S' AND n.nspname='{$c_schema}' |
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AND n.oid = c.relnamespace"; |
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return $this->selectSet($sql); |
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} |
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/** |
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* Creates a new sequence. |
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* |
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* @param string $sequence Sequence name |
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* @param number $increment The increment |
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* @param number $minvalue The min value |
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* @param number $maxvalue The max value |
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* @param number $startvalue The starting value |
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* @param number $cachevalue The cache value |
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* @param bool $cycledvalue True if cycled, false otherwise |
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* |
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* @return int 0 if operation was successful |
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*/ |
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public function createSequence( |
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$sequence, |
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$increment, |
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$minvalue, |
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$maxvalue, |
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$startvalue, |
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$cachevalue, |
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$cycledvalue |
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) { |
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$f_schema = $this->_schema; |
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$this->fieldClean($f_schema); |
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$this->fieldClean($sequence); |
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$this->clean($increment); |
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$this->clean($minvalue); |
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$this->clean($maxvalue); |
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$this->clean($startvalue); |
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$this->clean($cachevalue); |
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$sql = "CREATE SEQUENCE \"{$f_schema}\".\"{$sequence}\""; |
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if ($increment != '') { |
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$sql .= " INCREMENT {$increment}"; |
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} |
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if ($minvalue != '') { |
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$sql .= " MINVALUE {$minvalue}"; |
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} |
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if ($maxvalue != '') { |
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$sql .= " MAXVALUE {$maxvalue}"; |
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} |
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if ($startvalue != '') { |
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$sql .= " START {$startvalue}"; |
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} |
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if ($cachevalue != '') { |
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$sql .= " CACHE {$cachevalue}"; |
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} |
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if ($cycledvalue) { |
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$sql .= ' CYCLE'; |
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} |
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return $this->execute($sql); |
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} |
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/** |
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* Alters a sequence. |
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* |
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* @param string $sequence The name of the sequence |
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* @param string $name The new name for the sequence |
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* @param string $comment The comment on the sequence |
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* @param string $owner The new owner for the sequence |
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* @param string $schema The new schema for the sequence |
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* @param string $increment The increment |
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* @param number $minvalue The min value |
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* @param number $maxvalue The max value |
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* @param number $restartvalue The starting value |
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* @param number $cachevalue The cache value |
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* @param null|bool $cycledvalue True if cycled, false otherwise |
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* @param number $startvalue The sequence start value when issueing a restart |
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* |
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* @return bool|int 0 success |
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*/ |
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public function alterSequence( |
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$sequence, |
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$name, |
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$comment, |
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$owner = null, |
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$schema = null, |
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$increment = null, |
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$minvalue = null, |
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$maxvalue = null, |
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$restartvalue = null, |
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$cachevalue = null, |
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$cycledvalue = null, |
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$startvalue = null |
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) { |
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$this->fieldClean($sequence); |
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$data = $this->getSequence($sequence); |
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if ($data->recordCount() != 1) { |
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return -2; |
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} |
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$status = $this->beginTransaction(); |
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if ($status != 0) { |
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$this->rollbackTransaction(); |
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return -1; |
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} |
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$status = $this->_alterSequence( |
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$data, |
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$name, |
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$comment, |
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$owner, |
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$schema, |
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$increment, |
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$minvalue, |
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$maxvalue, |
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$restartvalue, |
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$cachevalue, |
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$cycledvalue, |
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$startvalue |
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); |
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if ($status != 0) { |
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$this->rollbackTransaction(); |
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return $status; |
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} |
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return $this->endTransaction(); |
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} |
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291
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/** |
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* Protected method which alter a sequence |
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* SHOULDN'T BE CALLED OUTSIDE OF A TRANSACTION. |
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* |
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* @param \PHPPgAdmin\ADORecordSet $seqrs The sequence recordSet returned by getSequence() |
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* @param string $name The new name for the sequence |
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* @param string $comment The comment on the sequence |
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* @param string $owner The new owner for the sequence |
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* @param string $schema The new schema for the sequence |
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* @param string $increment The increment |
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* @param string $minvalue The min value |
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* @param string $maxvalue The max value |
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* @param string $restartvalue The starting value |
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* @param string $cachevalue The cache value |
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* @param null|bool $cycledvalue True if cycled, false otherwise |
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* @param string $startvalue The sequence start value when issueing a restart |
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* |
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* @return int 0 success |
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*/ |
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protected function _alterSequence( |
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$seqrs, |
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$name, |
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$comment, |
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$owner, |
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$schema, |
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$increment, |
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$minvalue, |
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$maxvalue, |
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$restartvalue, |
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$cachevalue, |
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$cycledvalue, |
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$startvalue |
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) { |
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$this->fieldArrayClean($seqrs->fields); |
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// Comment |
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$status = $this->setComment('SEQUENCE', $seqrs->fields['seqname'], '', $comment); |
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if ($status != 0) { |
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return -4; |
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} |
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332
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// Owner |
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$this->fieldClean($owner); |
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$status = $this->alterSequenceOwner($seqrs, $owner); |
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if ($status != 0) { |
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return -5; |
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} |
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|
339
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// Props |
340
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$this->clean($increment); |
341
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$this->clean($minvalue); |
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$this->clean($maxvalue); |
343
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$this->clean($restartvalue); |
344
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$this->clean($cachevalue); |
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$this->clean($cycledvalue); |
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$this->clean($startvalue); |
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$status = $this->alterSequenceProps( |
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$seqrs, |
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$increment, |
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$minvalue, |
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$maxvalue, |
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$restartvalue, |
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$cachevalue, |
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$cycledvalue, |
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$startvalue |
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); |
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if ($status != 0) { |
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return -6; |
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} |
360
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361
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// Rename |
362
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$this->fieldClean($name); |
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$status = $this->alterSequenceName($seqrs, $name); |
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if ($status != 0) { |
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return -3; |
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} |
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368
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// Schema |
369
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$this->clean($schema); |
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$status = $this->alterSequenceSchema($seqrs, $schema); |
371
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if ($status != 0) { |
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return -7; |
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} |
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return 0; |
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} |
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378
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// Index functions |
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/** |
381
|
|
|
* Alter a sequence's owner. |
382
|
|
|
* |
383
|
|
|
* @param \PHPPgAdmin\ADORecordSet $seqrs The sequence RecordSet returned by getSequence() |
384
|
|
|
* @param string $owner the new owner of the sequence |
385
|
|
|
* |
386
|
|
|
* @return int 0 if operation was successful |
387
|
|
|
* |
388
|
|
|
* @internal string $name new owner for the sequence |
389
|
|
|
*/ |
390
|
|
|
public function alterSequenceOwner($seqrs, $owner) |
391
|
|
|
{ |
392
|
|
|
// If owner has been changed, then do the alteration. We are |
393
|
|
|
// careful to avoid this generally as changing owner is a |
394
|
|
|
// superuser only function. |
395
|
|
|
/* vars are cleaned in _alterSequence */ |
396
|
|
|
if (!empty($owner) && ($seqrs->fields['seqowner'] != $owner)) { |
397
|
|
|
$f_schema = $this->_schema; |
398
|
|
|
$this->fieldClean($f_schema); |
399
|
|
|
$sql = "ALTER SEQUENCE \"{$f_schema}\".\"{$seqrs->fields['seqname']}\" OWNER TO \"{$owner}\""; |
400
|
|
|
|
401
|
|
|
return $this->execute($sql); |
402
|
|
|
} |
403
|
|
|
|
404
|
|
|
return 0; |
405
|
|
|
} |
406
|
|
|
|
407
|
|
|
/** |
408
|
|
|
* Alter a sequence's properties. |
409
|
|
|
* |
410
|
|
|
* @param \PHPPgAdmin\ADORecordSet $seqrs The sequence RecordSet returned by getSequence() |
411
|
|
|
* @param number $increment The sequence incremental value |
412
|
|
|
* @param number $minvalue The sequence minimum value |
413
|
|
|
* @param number $maxvalue The sequence maximum value |
414
|
|
|
* @param number $restartvalue The sequence current value |
415
|
|
|
* @param number $cachevalue The sequence cache value |
416
|
|
|
* @param null|bool $cycledvalue Sequence can cycle ? |
417
|
|
|
* @param number $startvalue The sequence start value when issueing a restart |
418
|
|
|
* |
419
|
|
|
* @return int 0 if operation was successful |
420
|
|
|
*/ |
421
|
|
|
public function alterSequenceProps( |
422
|
|
|
$seqrs, |
423
|
|
|
$increment, |
424
|
|
|
$minvalue, |
425
|
|
|
$maxvalue, |
426
|
|
|
$restartvalue, |
427
|
|
|
$cachevalue, |
428
|
|
|
$cycledvalue, |
429
|
|
|
$startvalue |
430
|
|
|
) { |
431
|
|
|
$sql = ''; |
432
|
|
|
/* vars are cleaned in _alterSequence */ |
433
|
|
|
if (!empty($increment) && ($increment != $seqrs->fields['increment_by'])) { |
434
|
|
|
$sql .= " INCREMENT {$increment}"; |
435
|
|
|
} |
436
|
|
|
|
437
|
|
|
if (!empty($minvalue) && ($minvalue != $seqrs->fields['min_value'])) { |
438
|
|
|
$sql .= " MINVALUE {$minvalue}"; |
439
|
|
|
} |
440
|
|
|
|
441
|
|
|
if (!empty($maxvalue) && ($maxvalue != $seqrs->fields['max_value'])) { |
442
|
|
|
$sql .= " MAXVALUE {$maxvalue}"; |
443
|
|
|
} |
444
|
|
|
|
445
|
|
|
if (!empty($restartvalue) && ($restartvalue != $seqrs->fields['last_value'])) { |
446
|
|
|
$sql .= " RESTART {$restartvalue}"; |
447
|
|
|
} |
448
|
|
|
|
449
|
|
|
if (!empty($cachevalue) && ($cachevalue != $seqrs->fields['cache_value'])) { |
450
|
|
|
$sql .= " CACHE {$cachevalue}"; |
451
|
|
|
} |
452
|
|
|
|
453
|
|
|
if (!empty($startvalue) && ($startvalue != $seqrs->fields['start_value'])) { |
454
|
|
|
$sql .= " START {$startvalue}"; |
455
|
|
|
} |
456
|
|
|
|
457
|
|
|
// toggle cycle yes/no |
458
|
|
|
if (!is_null($cycledvalue)) { |
459
|
|
|
$sql .= (!$cycledvalue ? ' NO ' : '') . ' CYCLE'; |
460
|
|
|
} |
461
|
|
|
|
462
|
|
|
if ($sql != '') { |
463
|
|
|
$f_schema = $this->_schema; |
464
|
|
|
$this->fieldClean($f_schema); |
465
|
|
|
$sql = "ALTER SEQUENCE \"{$f_schema}\".\"{$seqrs->fields['seqname']}\" {$sql}"; |
466
|
|
|
|
467
|
|
|
return $this->execute($sql); |
468
|
|
|
} |
469
|
|
|
|
470
|
|
|
return 0; |
471
|
|
|
} |
472
|
|
|
|
473
|
|
|
/** |
474
|
|
|
* Rename a sequence. |
475
|
|
|
* |
476
|
|
|
* @param \PHPPgAdmin\ADORecordSet $seqrs The sequence RecordSet returned by getSequence() |
477
|
|
|
* @param string $name The new name for the sequence |
478
|
|
|
* |
479
|
|
|
* @return int 0 if operation was successful |
480
|
|
|
*/ |
481
|
|
|
public function alterSequenceName($seqrs, $name) |
482
|
|
|
{ |
483
|
|
|
/* vars are cleaned in _alterSequence */ |
484
|
|
|
if (!empty($name) && ($seqrs->fields['seqname'] != $name)) { |
485
|
|
|
$f_schema = $this->_schema; |
486
|
|
|
$this->fieldClean($f_schema); |
487
|
|
|
$sql = "ALTER SEQUENCE \"{$f_schema}\".\"{$seqrs->fields['seqname']}\" RENAME TO \"{$name}\""; |
488
|
|
|
$status = $this->execute($sql); |
489
|
|
|
if ($status == 0) { |
490
|
|
|
$seqrs->fields['seqname'] = $name; |
491
|
|
|
} else { |
492
|
|
|
return $status; |
493
|
|
|
} |
494
|
|
|
} |
495
|
|
|
|
496
|
|
|
return 0; |
497
|
|
|
} |
498
|
|
|
|
499
|
|
|
/** |
500
|
|
|
* Alter a sequence's schema. |
501
|
|
|
* |
502
|
|
|
* @param \PHPPgAdmin\ADORecordSet $seqrs The sequence RecordSet returned by getSequence() |
503
|
|
|
* @param string $schema |
504
|
|
|
* |
505
|
|
|
* @return int 0 if operation was successful |
506
|
|
|
* |
507
|
|
|
* @internal param The $name new schema for the sequence |
508
|
|
|
*/ |
509
|
|
|
public function alterSequenceSchema($seqrs, $schema) |
510
|
|
|
{ |
511
|
|
|
/* vars are cleaned in _alterSequence */ |
512
|
|
|
if (!empty($schema) && ($seqrs->fields['nspname'] != $schema)) { |
513
|
|
|
$f_schema = $this->_schema; |
514
|
|
|
$this->fieldClean($f_schema); |
515
|
|
|
$sql = "ALTER SEQUENCE \"{$f_schema}\".\"{$seqrs->fields['seqname']}\" SET SCHEMA {$schema}"; |
516
|
|
|
|
517
|
|
|
return $this->execute($sql); |
518
|
|
|
} |
519
|
|
|
|
520
|
|
|
return 0; |
521
|
|
|
} |
522
|
|
|
|
523
|
|
|
/** |
524
|
|
|
* Drops a given sequence. |
525
|
|
|
* |
526
|
|
|
* @param $sequence Sequence name |
527
|
|
|
* @param $cascade True to cascade drop, false to restrict |
528
|
|
|
* |
529
|
|
|
* @return int 0 if operation was successful |
530
|
|
|
*/ |
531
|
|
|
public function dropSequence($sequence, $cascade) |
532
|
|
|
{ |
533
|
|
|
$f_schema = $this->_schema; |
534
|
|
|
$this->fieldClean($f_schema); |
535
|
|
|
$this->fieldClean($sequence); |
536
|
|
|
|
537
|
|
|
$sql = "DROP SEQUENCE \"{$f_schema}\".\"{$sequence}\""; |
538
|
|
|
if ($cascade) { |
539
|
|
|
$sql .= ' CASCADE'; |
540
|
|
|
} |
541
|
|
|
|
542
|
|
|
return $this->execute($sql); |
543
|
|
|
} |
544
|
|
|
|
545
|
|
|
abstract public function fieldClean(&$str); |
546
|
|
|
|
547
|
|
|
abstract public function beginTransaction(); |
548
|
|
|
|
549
|
|
|
abstract public function rollbackTransaction(); |
550
|
|
|
|
551
|
|
|
abstract public function endTransaction(); |
552
|
|
|
|
553
|
|
|
abstract public function execute($sql); |
554
|
|
|
|
555
|
|
|
abstract public function setComment($obj_type, $obj_name, $table, $comment, $basetype = null); |
556
|
|
|
|
557
|
|
|
abstract public function selectSet($sql); |
558
|
|
|
|
559
|
|
|
abstract public function clean(&$str); |
560
|
|
|
|
561
|
|
|
abstract public function fieldArrayClean(&$arr); |
562
|
|
|
} |
563
|
|
|
|